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Finding the Fourth Proportional to 14,967.23, 20,653.92 and 8,252.87

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Solution

The fourth proportional to 14,967.23, 20,653.92 and 8,252.87 is: 11,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.23 : 20,653.92 = 8,252.87 : x
  2. Step 2: Convert to fraction form
    14,967.23/20,653.92 = 8,252.87/x
  3. Step 3: Cross multiply
    14,967.23x = 20,653.92 × 8,252.87
  4. Step 4: Simplify right side
    14,967.23x = 170,454,013.48
  5. Step 5: Solve for x
    x = 170,454,013.48/14,967.23
  6. Step 6: Final answer
    x = 11,388.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.